In-Tank Spargers

Mott in-tank spargers increase gas absorption by as much as 300% over traditional sparging technologies, resulting in faster throughput and less gas usage. These in-tank spargers can be used with virtually any gas or liquid to improve gas absorption in a variety of processes, making them highly versatile for industrial applications. Because porous metal provides thousands of flow paths, gas exits through the in-tank spargers in very small bubbles, resulting in far better absorption than traditional sparging technology. This efficiency is crucial in processes requiring precise control over gas dissolution rates and uniform gas distribution within the tank. Whether you’re looking for a single sparger or multiple sparger assemblies for a large tank, we’re here to fulfill your needs, ensuring optimal performance and efficiency in your operations.

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Literature & Data Sheets

Typical Applications

  • Water Treatment (PH Control)
  • Biofuel/Fermentation (Oxygenation)
  • Wine Production (O2 Stripping)
  • Beer Production (Carbonation)
  • Chemical Production (Volatile Stripping/Reactions)
  • Mining (Agitation)
  • Food Production (Aeration, Bulking, Hydrogenation)

Sparging Overview

Mott's overview of sparging technology, configurations, and applications.

Sparging Design Guide

High surface area means fast, efficient mass transfer. The key to high-efficiency sparging is fine bubble propagation which provides maximum surface area for effective "mass transfer." Mott precision porous metal creates fine bubbles over a broad range of application requirements. This is Mott's Sparging Design Guide.

Intank Static Sparger Installation and Operation

Installation and Operation Notes for In-Tank Static Spargers

Lab & Engineering Services

Discover our entire range of services, including rapid prototyping, filter feasibility, media characterization and more.

Computational Fluid Dynamics Services

Computational Fluid Dynamics (CFD) modeling is an excellent service to accelerate product development. It allows for cost-effective equipment sizing and identification of optimal operational parameters.

Explore Mott’s Capabilities

Provides an overview of markets served, applications, products, materials, and engineering capabilities.

Product Specs


Common Lengths for Spargers – 6” to 48”

Standard Diameters – 0.5”, 1”

Custom spargers and sparging assemblies for large tanks are available upon request, consult factory


Various connections available, such as NPT, straight tube, flange, and sanitary connections

Other connectors are available upon request, consult factory

Blind End

Blind end connections – Blind end cap is standard for most sparging applications

Custom options available, consult factory

Media Grades

Media grade 2 recommended for most sparging applications

Media grade 10 is recommended for steam sparging applications

Custom options available, consult factory

Our Design Capabilities

Application Engineering – Need consultation on your design, particularly for integrating in-tank spargers into your system? Our team of application engineers are ready to help you determine the right part for your design. With decades of experience working with the world’s largest technical and performance brands, we’re eager to solve complex problems with you, including those involving in-tank spargers for efficient gas absorption.

Customer Innovation Center – We enjoy working with customers on complex projects, such as developing custom solutions for in-tank spargers. In fact, we’ve dedicated an entire facility to it. Want to join us for various lab testing and engineering consultation sessions? Join us at our Customer Innovation Center in Connecticut to develop a solution for your unique application, including the optimization of in-tank sparger systems.

Rapid Prototyping Cell – Trying to determine the feasibility of your design as fast as possible, especially when it includes in-tank spargers? Use our rapid prototyping cell to turn around prototypes in as little as 2 weeks. Our engineers will work with equipment similar to our manufacturing facility to provide you with a manufacturable, economical design that seamlessly integrates in-tank spargers.

Additive Manufacturing – If you’re looking for the most uniform porosity or a non-traditional design that includes in-tank spargers, look no further than working with our porous 3D printing team. We can create controlled porosity designs with various density gradients in non-traditional shapes to satisfy the most unique design request, including configurations optimized for in-tank spargers. Our technology allows us to print parts with both solid and porous in a single print cycle, ideal for creating complex sparger designs.

Relevant Services

Lab Testing – If you need data packages or feasibility testing for your part prior to installation, especially for in-tank spargers, we’re happy to work with you. We’ll use our lab center to perform various characterization and performance tests to ensure your parts, including those designed as in-tank spargers, are meeting strict specifications.

Computational Fluid Dynamics – If you would like to model your process fluids interaction with your Mott requested part, including in-tank spargers, ask your Mott representative how we can model it using CFD software. This service is crucial for optimizing the performance of in-tank spargers in your specific application.

Engineering Memberships – If you’re constantly working on complex designs that require the highest standards of engineering support, including those for systems involving in-tank spargers, ask about our membership rates, which will allow you discounted rates to various lab testing, prototyping, and engineering resources. This support is invaluable for developing and fine-tuning in-tank sparger systems to meet the exact needs of your application.

Enhancing Efficiency with In-Tank Spargers

Mott’s in-tank spargers are designed to revolutionize the way gases are introduced into liquids in various industrial and laboratory settings. Utilizing advanced porous metal technology, these in-tank spargers distribute gas into liquids through thousands of tiny pores, creating exceptionally fine bubbles for improved gas-to-liquid contact area. This results in significantly enhanced gas absorption efficiency, faster process throughput, and reduced gas consumption. Ideal for applications ranging from chemical processing to bioreactors to food and beverage processing, Mott’s in-tank spargers provide a superior solution for any process requiring efficient and uniform gas dispersion within tanks.

FAQs: In-Tank Spargers

Q: What are in-tank spargers?

A: In-tank spargers are devices designed to disperse gas into a liquid through thousands of tiny pores, creating extremely fine bubbles that increase the gas-to-liquid contact area. This technology is used to enhance gas absorption efficiency in various industrial processes, such as fermentation, chemical synthesis, and water treatment.

Q: How do in-tank spargers improve process efficiency?

A: In-tank spargers improve process efficiency by producing finer bubbles than traditional sparging methods, leading to a larger gas-liquid contact area and faster gas absorption rates. This results in quicker processes, reduced gas usage, and improved overall system performance.

Q: Can in-tank spargers be used with any type of gas or liquid?

A: Yes, Mott’s in-tank spargers are versatile and can be used with virtually any gas or liquid. They are designed to work effectively in a wide range of applications, including those involving aggressive chemicals or high temperatures, thanks to the robust construction and materials used.

Q: Are in-tank spargers customizable to specific process requirements?

A: Absolutely, in-tank spargers can be customized to meet specific process requirements, including size, shape, and material compatibility. Mott specializes in tailoring these spargers to fit the unique needs of each application, ensuring optimal performance and integration into existing systems.

Q: How are in-tank spargers installed and maintained?

A: In-tank spargers are designed for easy installation and can be directly integrated into tanks or vessels. Maintenance requirements are minimal due to their clog-resistant design and durable construction. Regular inspection and cleaning, as per the manufacturer’s recommendations, ensure long-term reliability and performance.